3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface boolean {} class true implements boolean {} class false implements boolean {} $true = new true; $false = new false; var_dump(new true); var_dump(new false); var_dump($true instanceof true); var_dump($false instanceof false); var_dump((bool) $true); var_dump((bool) $false);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.6.280.0100.09320.81
5.6.210.0100.05020.47
5.6.200.0000.08318.18
5.6.190.0100.09020.57
5.6.180.0500.06020.61
5.6.170.0230.05720.45
5.6.160.0030.04320.44
5.6.150.0100.08018.23
5.6.140.0000.04318.18
5.6.130.0100.08318.31
5.6.120.0100.04320.98
5.6.110.0170.02720.98
5.6.100.0070.08321.01
5.6.90.0070.04321.10
5.6.80.0070.04720.38
5.5.350.0270.06720.38
5.5.340.0070.08317.99
5.5.330.0070.08020.43
5.5.320.0230.05720.52
5.5.310.0330.07720.27
5.5.300.0130.06318.02
5.5.290.0070.05717.98
5.5.280.0230.06720.87
5.5.270.0100.05320.94
5.5.260.0130.07720.76
5.5.250.0230.07020.74
5.5.240.0070.07020.23
5.4.450.0100.07319.25
5.4.440.0030.06319.20
5.4.430.0070.05319.48
5.4.420.0030.08019.56
5.4.410.0100.04719.43
5.4.400.0130.05719.14
5.4.390.0000.04019.15
5.4.380.0100.07318.92
5.4.370.0070.03719.01
5.4.360.0030.04018.95
5.4.350.0030.03719.14
5.4.340.0070.03319.14
5.4.320.0030.05719.15
5.4.310.0070.05319.15
5.4.300.0070.07719.23
5.4.290.0070.04318.88
5.4.280.0030.04019.20
5.4.270.0070.03719.16
5.4.260.0100.07319.08
5.4.250.0070.06019.23
5.4.240.0100.07019.14
5.4.230.0030.05718.97
5.4.220.0100.05718.97
5.4.210.0030.03718.85
5.4.200.0100.03019.14
5.4.190.0070.03718.84
5.4.180.0000.04019.00
5.4.170.0070.03319.23
5.4.160.0000.04319.09
5.4.150.0030.04319.13
5.4.140.0100.03016.42
5.4.130.0000.03716.51
5.4.120.0070.03016.31
5.4.110.0030.03316.54
5.4.100.0070.03016.53
5.4.90.0030.03316.38
5.4.80.0030.04016.34
5.4.70.0000.04316.43
5.4.60.0070.03316.25
5.4.50.0070.03016.27
5.4.40.0000.03716.28
5.4.30.0130.03016.44
5.4.20.0000.03716.41
5.4.10.0070.03316.38
5.4.00.0070.03015.82

preferences:
147.45 ms | 1394 KiB | 7 Q